S-94162A520 1/4"-40 Panel Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating for extended service life in demanding environments
• Space-saving thin hex profile allows installation in tight panel assemblies where clearance is limited
• Precise Class 2B thread fit ensures smooth engagement and reliable vibration resistance in critical applications
• Extra fine 1/4"-40 UNS threading provides superior holding power and adjustment precision for sensitive equipment
• External hex drive design enables quick installation and removal with standard wrench tools
• Regulatory compliance assurance with RoHS 3 and REACH standards for global industrial applications
• Optimized 5/8" width and 3/16" height delivers perfect balance between grip strength and compact dimensions

Professional Applications & Engineering Value

This black-oxide steel panel nut addresses critical challenges in industrial assembly where space constraints and environmental factors compromise fastener performance. The thin hex profile specifically solves clearance issues in panel mounting applications while maintaining full wrench engagement. The extra fine 1/4"-40 UNS thread provides exceptional vibration resistance and precise adjustment capabilities for electronic enclosures, instrumentation panels, and precision machinery. The black-oxide surface treatment creates a protective barrier against moisture and corrosion, significantly extending service life in harsh operating conditions. Engineered with Class 2B thread fit, these panel nuts ensure consistent, reliable performance across high-volume production runs while minimizing assembly time and maintenance requirements.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit tolerance for consistent performance. Features 1/4"-40 UNS extra fine threading with right-hand thread direction and external hex drive configuration. Dimensions include 5/8" width across flats and 3/16" height profile. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as alloying element in steel and REACH (EC 1907/2006) regulations current through January 2023 SVHC list.